Using Google Maps, go to 37°30’13.9” 122°29’47.4” (37.503861, -122.496500). The San Gregorio fault is the westernmost major fault that is part of the San Andreas Fault system. The San Francisco Bay Area also suffers from the unfortunate confluence of large populations and active faults. Archived report (descriptions no longer maintained) San Gregorio fault zone, San Gregorio section (Class A) No. The San Andreas fault system is the major geologic boundary between the North American and Pacific tectonic plates and passes through much of the state. The nearest significant onshore cultural centers in the map area are San Gregorio and Pescadero, both unincorporated communities with populations well under 1,000. ... Hayward, Mt. Like the San Andreas fault, the San Gregorio is a right lateral strike slip fault. The complete fault zone, including the Rodgers Creek fault, is divided by seismologists into three segments – Rodgers Creek, Northern Hayward, and Southern Hayward. 3). However, it is actually a wide fault zone with several different smaller faults from the San Gregorio fault offshore of Monterey Bay in the west to western Nevada in the east (figure 1). 1b,c), but not its exact sea-floor trace.Zones of high acoustic backscatter from side-looking sonar are noted near the San Gregorio fault zone and they are thought to represent a surficial expression of the fault zone on the shelf (Fig. It's a Not chosen size geocache, with difficulty of 1.5, terrain of 1.5. Seismic profiling and earthquake epicenters have shown the approximate location of the fault zone across Monterey Bay (Fig. the zone, but the zone as a whole reflects deformation derived from oblique right-lateral and The San Andreas Fault and 6 other significant fault zones are present in the Bay Area: the Calaveras, Concord-Green Valley, Greenville, Hayward, Rodgers Creek, and San Gregorio Faults. The San Andreas fault system is to the west, the Garlock fault is to the south and the faults of the Sierra Nevada are to the east. EMBED (for wordpress.com hosted blogs and archive.org item tags) Want more? b) Schematic structural map. Here, thanks to the USGS, is the relevant part of a detailed geological map of the area. This is the Santa Cruz coastline and you have seen this area in past labs. No_Favorite. The Monterey Bay lies between the San Andreas Fault to the east and the San Gregorio Fault to the west. Map showing the San Gregorio fault zone and other major Holocene faults in the western San Francisco Bay area. Like the San Andreas fault, the San Gregorio is a right lateral strike slip fault. Diablo, Rodgers Creek, San Andreas, San Gregorio, and West Napa faults. Here the fault system is over 100 km wide and incorporates faults in the offshore, including those of the Palo Colorado-San Gregorio and Monterey Bay fault zones . The MBNMS is located along the active transform boundary (the San Andreas fault system) separating the Pacific Plate from the North American Plate. 2 Fig. • San Gregorio fault: The San Gregorio fault runs west of the San Andreas, roughly off the coast of the Bay Area and along seashore areas of Marin and San … As of January 12, 2017, the USGS maintains a limited number of metadata fields that characterize the Quaternary faults and folds of the United States. Introduction [2] Four major strike‐slip fault zones cross through the San Francisco Bay region, which accommodate most of the ∼39 mm/yr of relative plate motion between the Pacific plate and the Sierra Nevada range. Geo Lab - San Gregorio Fault (GC2YTK1) was created by Raramuri on 6/23/2011. This is the Santa Cruz coastline and you have seen this area in past labs. The right‐lateral San Gregorio‐Hosgri fault system (SGHF) extends mainly offshore for about 400 km along the central California coast and is a major structure in the distributed transform margin of western North America. movement on San Gregorio Fault The San Andreas Fault, considered a long transform fault, passes to the east of Monterey Bay in west-central California, USA. Advanced embedding details, examples, and help! The San Generalized geologic map of the northern on-land portion of the San Gregorio fault, showing the study area and both the previously mapped and the revised fault locations. The Instrumental Intensity map is based on a combined regression of recorded peak acceleration and velocity amplitudes. 60a Neotectonics of the Big Sur Bend, San Gregorio‐Hosgri fault system, central California. The San Gregorio fault cuts right across Half Moon Bay, across the promontory where the airport is located, and then heads out to sea again to the northwest. Here's a map of the significant fault lines and strong earthquakes in the Bay Area. Modified from Jennings (1994), segment boundaries (rectangles) along the San Andreas fault after WGCEe (1990). The Santa Cruz Mountains lie between the San Andreas Fault Zone and the San Gregorio Fault system. And despite San Francisco’s legendary 1906 earthquake, the San Andreas Fault does not go through the city. But communities like Desert Hot Springs, San Bernardino, Wrightwood, Palmdale, Gorman, Frazier Park, Daly City, Point Reyes Station and Bodega Bay lie squarely on the fault and are sitting ducks. on 3 sheets 110 x 87 cm. or smaller. The Hayward Fault is one of the secondary faults in this diffuse zone, along with the Calaveras Fault to the east and the San Gregorio Fault, west of the San Andreas. North of the Golden Gate, dextral slip from the San Gregorio fault zone [60] may be transferred to the North Coast section [1b] along a right-releasing step. Each of these fault zones has important offshore sections that, until recently, were not mapped in great detail. Magnitude 7.5 Earthquake on the San Gregorio Fault Scenario ShakeMap ShakeMap created by SCEC UseIT 2014 Interns for the Earthquake Country Alliance using the OpenSHA platform. The study area is included between the Ben Lomond and the San Gregorio fault zones. It's located in California, United States.Along the Big Sur coastline, just an easy walk from the highway, lies an easily accessible fault to explore! and 175 x 112 cm. 1. ... San Gregorio Fault (SGF) Southern San Gregorio (SGS) 7.0. The known faults in the San Francisco area include the San Andreas, the Hayward, the Rodgers Creek and the San Gregorio. a) Sketch map of California including the location of the study area (red box) and the main tectonic structures represented by the San Andreas Fault Zone (SAFZ) and the San Gregorio Fault Zone (SGFZ). 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